Heap-Based Buffer Overflow in Microsoft's Remote Desktop Service
CVE-2025-29966

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows App Client For Windows Desktop
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Vendor
CVE Published:
13 May 2025

What is CVE-2025-29966?

The vulnerability in Microsoft's Remote Desktop Service is caused by a heap-based buffer overflow, which could allow an unauthorized attacker to execute arbitrary code over a network. This issue can be exploited by sending specially crafted requests to the Remote Desktop protocol, potentially enabling the attacker to gain control over the targeted system.

Affected Version(s)

Remote Desktop client for Windows Desktop Unknown 1.2.0.0 < 1.2.6228.0

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.21014

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8066

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-29966 : Heap-Based Buffer Overflow in Microsoft's Remote Desktop Service